21.53% is the change from 813 to 988
Calculation steps:
[( 988 - 813 ) ÷ 813] x 100 = 21.53%
Formula
Percentage change = [(988 - 813) / 813] x 100
Subtract the new number by the original number
988 - 813 = 175
175 ÷ 813 = 0.21525215252152521
0.21525215252152521 x 100 = 21.53%